Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas temporadas existem com a Formula Holden?
 ###Tabelas: CREATE TABLE 4.tatars (4.tatars_id AUTO_INCREMENT PRIMARY KEY, C/W 15+ INT, Oblast\Age VARCHAR, 15 to 17 INT, 18 to 19 INT, 20 to 24 INT, 25 to 29 INT, 30 to 34 INT, 35 to 39 INT, 40 to 44 INT, 45 to 49 INT, 50 to 54 INT, 55 to 59 INT, 60 to 64 INT, 65 to 69 INT, 70+ INT) CREATE TABLE semifinal_a_b_1 (semifinal_a_b_1_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rowers VARCHAR, Country VARCHAR, Time VARCHAR, Notes VARCHAR) CREATE TABLE overall_stats (overall_stats_id AUTO_INCREMENT PRIMARY KEY, Series VARCHAR, Seasons INT, Races INT, Poles INT, Wins INT, Podiums (Non-win) INT, Point Finishes (Non-podium) INT, Teams INT, Total Points INT, Championships INT, Best Finish (Championship) VARCHAR) CREATE TABLE round_3 (round_3_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE players_in (players_in_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Country VARCHAR, Type VARCHAR, Moving from VARCHAR, Transfer window VARCHAR, Transfer fee VARCHAR)  
SELECT COUNT Seasons FROM overall_stats WHERE Series = Formula Holden